Collection header for filtration



FIG. 1 is a front perspective view of a collection header for filtrationshowing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a left side elevational view, the right side elevational viewbeing a mirror image thereof;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is an enlarged cross-sectional view taken in the direction of 7—7in FIG. 6; and,

FIG. 8 is a front perspective view of the collection header forfiltration used in a filter.

The broken lines shown in FIG. 8 are for illustrative purposes only andform no part of the claimed design.

The ornamental design for a collection header for filtration, as shownand described.